C13223313311212111133133313331333133313231323133211331333131323121   >>    C1322331331121211113313331333133313331323132313321133133313132312   <<    C13223313311212111133133313331333133313231323133211331333131323123   >>      C13223313311212111133133313331333133313231323133211331333131323122   >>